Add fp mapping for `_.gt`, `_.gte`, `_.lt`, and `_.lte`. [closes #1776]
Add fp mapping for `_.gt`, `_.gte`, `_.lt`, and `_.lte`. [closes #1776]

msmorgan/lodash,steelsojka/lodash,rlugojr/lodash,rlugojr/lodash,beaugunderson/lodash,beaugunderson/lodash,msmorgan/lodash,steelsojka/lodash